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CVE-2020-9499

HIGHCVSS 7.2/10EPSS 1.50%

Last modified

CVE-2020-9499 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

Metrics

CVSS 3.1
7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DahuasecuritySd6al Firmware< 2019-12
DahuasecuritySd5a Firmware< 2019-12
DahuasecuritySd1a Firmware< 2019-12
DahuasecurityPtz1a Firmware< 2019-12
DahuasecuritySd50 Firmware< 2019-12
DahuasecuritySd52c Firmware< 2019-12
DahuasecurityIpc-Hx5842h Firmware< 2019-12
DahuasecurityIpc-Hx7842h Firmware< 2019-12
DahuasecurityIpc-Hx2xxx Firmware< 2019-12
DahuasecurityIpc-Hxxx5x4x Firmware< 2019-12
DahuasecurityN42b1p Firmware< 2019-12
DahuasecurityN42b2p Firmware< 2019-12
DahuasecurityN42b3p Firmware< 2019-12
DahuasecurityN52a4p Firmware< 2019-12
DahuasecurityN54a4p Firmware< 2019-12
DahuasecurityN52b2p Firmware< 2019-12
DahuasecurityN52b5p Firmware< 2019-12
DahuasecurityN52b3p Firmware< 2019-12
DahuasecurityN54b2p Firmware< 2019-12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-9499?
Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
How severe is CVE-2020-9499?
CVE-2020-9499 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9499?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9499?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST